EP3896973A4 - Predicted image generation device, moving image decoding device, moving image encoding device, and predicted image generation method - Google Patents

Predicted image generation device, moving image decoding device, moving image encoding device, and predicted image generation method Download PDF

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Publication number
EP3896973A4
EP3896973A4 EP19896606.1A EP19896606A EP3896973A4 EP 3896973 A4 EP3896973 A4 EP 3896973A4 EP 19896606 A EP19896606 A EP 19896606A EP 3896973 A4 EP3896973 A4 EP 3896973A4
Authority
EP
European Patent Office
Prior art keywords
moving image
image generation
predicted image
predicted
generation method
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP19896606.1A
Other languages
German (de)
French (fr)
Other versions
EP3896973A1 (en
Inventor
Takeshi Chujoh
Tomonori Hashimoto
Tomoko Aono
Tomohiro Ikai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FG Innovation Co Ltd
Sharp Corp
Original Assignee
FG Innovation Co Ltd
Sharp Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2018232640A external-priority patent/JP2020096279A/en
Priority claimed from JP2019000704A external-priority patent/JP2020109919A/en
Application filed by FG Innovation Co Ltd, Sharp Corp filed Critical FG Innovation Co Ltd
Publication of EP3896973A1 publication Critical patent/EP3896973A1/en
Publication of EP3896973A4 publication Critical patent/EP3896973A4/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/537—Motion estimation other than block-based
    • H04N19/54—Motion estimation other than block-based using feature points or meshes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/172—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
EP19896606.1A 2018-12-12 2019-12-11 Predicted image generation device, moving image decoding device, moving image encoding device, and predicted image generation method Pending EP3896973A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2018232640A JP2020096279A (en) 2018-12-12 2018-12-12 Prediction image generation device, moving image decoding device, and moving image encoding device
JP2019000704A JP2020109919A (en) 2019-01-07 2019-01-07 Predictive image generation device, moving image decoding device, and moving image encoding device
PCT/JP2019/048520 WO2020122130A1 (en) 2018-12-12 2019-12-11 Predicted image generation device, moving image decoding device, moving image encoding device, and predicted image generation method

Publications (2)

Publication Number Publication Date
EP3896973A1 EP3896973A1 (en) 2021-10-20
EP3896973A4 true EP3896973A4 (en) 2022-09-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP19896606.1A Pending EP3896973A4 (en) 2018-12-12 2019-12-11 Predicted image generation device, moving image decoding device, moving image encoding device, and predicted image generation method

Country Status (4)

Country Link
US (2) US11653016B2 (en)
EP (1) EP3896973A4 (en)
CN (2) CN113170190B (en)
WO (1) WO2020122130A1 (en)

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
KR102525033B1 (en) * 2015-11-11 2023-04-24 삼성전자주식회사 Method and apparatus for decoding video, and method and apparatus for encoding video
CN116074532A (en) * 2016-02-01 2023-05-05 Oppo广东移动通信有限公司 Predictive image generating device, moving image decoding device, and moving image encoding device
CN108541375B (en) 2016-02-03 2022-04-12 夏普株式会社 Moving image decoding device, moving image encoding device, and predicted image generation device
WO2018173895A1 (en) * 2017-03-21 2018-09-27 シャープ株式会社 Predicted-image generation device, video decoding device, and video coding device
JP6741734B2 (en) 2018-09-27 2020-08-19 シャープ株式会社 Battery powered vacuum cleaner
EP4300965A3 (en) * 2018-11-05 2024-01-17 Beijing Bytedance Network Technology Co., Ltd. Interpolation for inter prediction with refinement

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
JIANLE CHEN ET AL: "Algorithm description for Versatile Video Coding and Test Model 4 (VTM 4)", no. JVET-M1002-v2; JVET-M1002, 18 January 2019 (2019-01-18), pages 1 - 62, XP030255391, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/13_Marrakech/wg11/JVET-M1002-v2.zip JVET-M1002-v2.docx> [retrieved on 20190319] *
PARK (LGE) N ET AL: "Non-CE4: Corrections on parameter calculation for PROF and BDOF", no. JVET-P0281 ; m50246, 4 October 2019 (2019-10-04), XP030216803, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/16_Geneva/wg11/JVET-P0281-v2.zip JVET-P0281-r1.docx> [retrieved on 20191004] *
See also references of WO2020122130A1 *
XIU (INTERDIGITAL) X ET AL: "CE9-related: Complexity reduction and bit-width control for bi-directional optical flow (BIO)", no. m44280, 8 October 2018 (2018-10-08), XP030266676, Retrieved from the Internet <URL:http://phenix.int-evry.fr/mpeg/doc_end_user/documents/124_Macao/wg11/m44280-JVET-L0256-v3-JVET-L0256-v2.zip JVET-L0256-r2.docx> [retrieved on 20181008] *
XIU X ET AL: "CE9-related: A simplified design of bi-directional optical flow (BIO)", no. JVET-L0591, 5 October 2018 (2018-10-05), XP030194913, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/12_Macao/wg11/JVET-L0591-v2.zip JVET-L0591.docx> [retrieved on 20181005] *

Also Published As

Publication number Publication date
US20230093319A1 (en) 2023-03-23
US20220103853A1 (en) 2022-03-31
EP3896973A1 (en) 2021-10-20
CN113170190A (en) 2021-07-23
WO2020122130A1 (en) 2020-06-18
CN113170190B (en) 2024-06-14
US11653016B2 (en) 2023-05-16
US11825111B2 (en) 2023-11-21
CN118474347A (en) 2024-08-09

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